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Game data by IGDB. Every price is a real observation, shown with the time we saw it.

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DEFCON

DEFCON

Release dateSep 29, 2006
Ratings & reviews
You play the role of a military commander hidden deep within an underground bunker. Your mission - to successfully exterminate your enemy's civilian population whilst disabling their ability to attack your own. Start by launching your battleships, submarines, and bombers in order to decimate your opponent's defences. Scramble together your alliances, but remember only one can stand victorious. Prepare your pre-emptive strike before one of your supposed allies get the same idea. Choose the perfect moment for betrayal, obliterating your opponents with an apocalyptic thermonuclear barrage, but get it wrong and their devastating counter attack will bring you to your knees!
IndieReal Time Strategy (RTS)WarfareCo-operativeSimulator

Media & gameplay showcase

Trailer
1 / 6

Best Price Right Now

$3.59
GOG
Purchase
Observed 5 hours ago

Historical Low

$3.59
GOG
Observed Aug 18, 2026

Edition / bundle

Available at 2 stores Ā· 5 editions / bundles

Settings

Compare Prices

DEFCON

Store Link
GOG
$3.59
$11.99
Observed 5 hours ago
-70%
Purchase
Steam
$3.59
$11.99
Observed 3 days ago
-70%Sale ends Oct 8, 2026
Purchase
  • GOG
    $3.59
    $11.99
    Observed 5 hours ago
    -70%
    Purchase
  • Steam
    $3.59
    $11.99
    Observed 3 days ago
    -70%Sale ends Oct 8, 2026
    Purchase

Introversion Classics Pack

Store Link
Steam
$8.99
$29.99
Observed 3 days ago
-70%Sale ends Oct 8, 2026
Purchase
  • Steam
    $8.99
    $29.99
    Observed 3 days ago
    -70%Sale ends Oct 8, 2026
    Purchase

DEFCON + Soundtrack

Store Link
Steam
$3.89
$12.99
Observed 3 days ago
-70%Sale ends Oct 8, 2026
Purchase
  • Steam
    $3.89
    $12.99
    Observed 3 days ago
    -70%Sale ends Oct 8, 2026
    Purchase

The Cold War Bundle

Store Link
Steam
$19.80
$61.15
Observed 3 days ago
-68%Sale ends Oct 8, 2026
Purchase
  • Steam
    $19.80
    $61.15
    Observed 3 days ago
    -68%Sale ends Oct 8, 2026
    Purchase

Introversion Game Bundle

Store Link
Steam
$11.43
$41.20
Observed 3 days ago
-72%Sale ends Oct 8, 2026
Purchase
  • Steam
    $11.43
    $41.20
    Observed 3 days ago
    -72%Sale ends Oct 8, 2026
    Purchase

Price History

ObservedGOG Ā· USDSteam Ā· USD
47 days ago$3.59ā€”
42 days ago$11.99ā€”
38 days ago$11.99$11.99
12 days ago$3.59$11.99
4 days ago$3.59$3.59

About DEFCON

You play the role of a military commander hidden deep within an underground bunker. Your mission - to successfully exterminate your enemy's civilian population whilst disabling their ability to attack your own. Start by launching your battleships, submarines, and bombers in order to decimate your opponent's defences. Scramble together your alliances, but remember only one can stand victorious. Prepare your pre-emptive strike before one of your supposed allies get the same idea. Choose the perfect moment for betrayal, obliterating your opponents with an apocalyptic thermonuclear barrage, but get it wrong and their devastating counter attack will bring you to your knees!

System requirements

Minimum
OS
N/A
CPU
N/A
GPU
N/A
Memory
N/A
Storage
N/A
Recommended
OS
N/A
CPU
N/A
GPU
N/A
Memory
N/A
Storage
N/A

Game details

Release date
Sep 29, 2006
Developer
Introversion Software
Publisher
Ambrosia Software, Encore Software, Introversion Software, Pinnacle Entertainment
Platforms
Linux, Mac, PC (Microsoft Windows)
Genres
Indie, Real Time Strategy (RTS), Simulator, Strategy
Themes
Warfare
Game modes
Co-operative, Multiplayer, Single player
Player perspective
Bird view / Isometric
Languages
LanguageAudioInterfaceSubtitles
English
French
German
Italian
Spanish (Spain)
Age ratings
ESRB: T, USK: 16
Steam Deck Compatibility
Playable

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